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// Copyright (C) 2005-2018 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// 25.3.8 [lib.alg.lex.comparison]
// { dg-do compile }
#include <algorithm>
#include <testsuite_iterators.h>
using __gnu_test::input_iterator_wrapper;
struct Lhs1 { };
struct Rhs1 { };
bool
operator<(const Lhs1&, const Rhs1&) {return true;}
bool
operator<(const Rhs1&, const Lhs1&) {return false;}
struct X { };
bool
predicate(const X&, const X&) {return true;}
bool
test1(input_iterator_wrapper<Lhs1>& lhs1,
input_iterator_wrapper<Rhs1>& rhs1)
{ return std::lexicographical_compare(lhs1, lhs1, rhs1, rhs1); }
bool
test2(input_iterator_wrapper<X>& x)
{ return std::lexicographical_compare(x, x, x, x, predicate); }
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